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      05-20-2009, 10:59 PM   #1
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HP Autosport, Inc. - Light weight Braille racing battery custom moutning kit

Enjoy up to 40lb weight reduction over the BMW OEM battery by using the HP Autowerks lightweight aluminum battery tray and Braille lightweight racing battery. The tray accomodates three different Braille battery sizes. Please choose which battery you would like inlcuded with your HPA battery tray from the options below.

Specs 21 lb

Casing: Polymer plastic
Weight: 21 lbs.
Length: 6.6"
Width: 5.2"
Height: 6.8"
Pulse Cranking Amps: 1,380
Cranking Amps: 742
Cold Cranking Amps: 550
Amp Hour Rating: 31
Warranty: 1-year free replacement
Price: $241.99

Fiberglass reinforced plastic (FRP)

All Braille batteries feature an industry leading energy-to-weight ratio accomplished via Enhanced Mat Technology (for more surface area on the lead plates) combined with calcium full frame power path grids (for increased cranking power).

Durability is also built into every Braille battery. Using high-density oxide, Braille batteries offer true deep-cycling ability over the life of the battery. Heavy-duty vibration resistant power posts resist cracking and deterioration common to many lightweight batteries used in harsh automotive environments. The battery is a sealed unit that can be mounted in any position safely using its adjustable automotive terminal posts.

Braille batteries include a one-year free replacement limited warranty that is not pro-rated.

IMPORTANT: Braille batteries can only be shipped to addresses within the United States or Canada.

This same battery is installed in the Berk Technology's Redline Time Attack Race Car!

http://www.1addicts.com/forums/showthread.php?t=259353

Order here:

http://www.hpashop.com/HPA-Battery-T...-and-mount.htm


Note: We recommend a minimum of B3121 for E8x/E9x. Some vehicles may require "Battery Replacment Registration" for the charging system to properly charge the battery.

A set of helpful tools when mounting the Braille battery into our tray:

https://amzn.to/2REfs7B
Attached Images
  

Last edited by HP Autosport; 11-23-2022 at 11:44 AM..
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      05-21-2009, 12:58 AM   #2
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I will get it when my battery die and i will ask ship to texas Harold

Tnxx
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      05-21-2009, 01:12 AM   #3
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Quote:
Originally Posted by Raflekt View Post
I will get it when my battery die and i will ask ship to texas Harold

Tnxx
Great! Let me know!
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      06-04-2009, 12:40 PM   #4
stunn2night
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i rather keep that weight in the rear, ill pass
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      06-04-2009, 01:09 PM   #5
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Any weight saving overall is good, especially 30+ lbs at the end of the car. if your idea of keep the extra 30 lbs in the trunk is to aid in traction, you should look into a LSD to solve your problem.
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      06-04-2009, 02:30 PM   #6
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Quote:
Originally Posted by stunn2night View Post
i rather keep that weight in the rear, ill pass
Wow, your amazing.

hahaha
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      12-12-2009, 01:21 AM   #7
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May i ask how the power output on these compares to OEM? I just ask because I like to listen to music for a short little while after the car is turned off (waiting for the gf)...would these be able to handle that?
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      12-12-2009, 03:12 AM   #8
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Quote:
Originally Posted by mohammadz View Post
May i ask how the power output on these compares to OEM? I just ask because I like to listen to music for a short little while after the car is turned off (waiting for the gf)...would these be able to handle that?
The 21 lb is just a bit more than 1/3 of the oem battery. You should be able to play the oem audio system for an hour.
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      11-22-2011, 07:12 PM   #9
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Would these work in a daily driver (no iDrive, bluetooth, sat radio or anything)?
Or do these batteries require added trickle charging to keep them on the road?
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      11-30-2011, 11:05 PM   #10
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Quote:
Originally Posted by Another135i View Post
Would these work in a daily driver (no iDrive, bluetooth, sat radio or anything)?
Or do these batteries require added trickle charging to keep them on the road?
Sure. We have the 15 lb in our project 135i for over a year now without any issues.

You only need a trickle charger on it if you were to let the car sit for more than 2 weeks.
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      01-10-2012, 04:28 AM   #11
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Sorry if this has been covered before, but whats the install like on this? Like if I went with the 15lb with the harness, what tools and how much time and i looking at? Also, any fault codes or issues after installation, or plug n play?
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      01-10-2012, 10:55 AM   #12
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Quote:
Originally Posted by thez99 View Post
Sorry if this has been covered before, but whats the install like on this? Like if I went with the 15lb with the harness, what tools and how much time and i looking at? Also, any fault codes or issues after installation, or plug n play?
30 minutes if you really take your time. There is no fault codes associated with installing this battery unless you are doing it with your key in the ignition or cross the wires. When installation is required, I don't call it plug and play.
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      03-06-2012, 08:58 AM   #13
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I am interested.

What do you mean "Some vehicles may require "Battery Replacment Registration" for the charging system to properly charge the battery."? My 135 has no iDrive or Nav, does it require the "Battery Replacement Registration" and what is involve?

Which one will equal or better than OEM in terms of cranking power and battery life?

Thanks for the answers in advance.
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      05-16-2012, 03:08 PM   #14
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Are these known for causing 'Increased Battery Discharge' errors?

I bought my 2012 135i used and the car had some work done by your shop according to the previous owner. He did not mention a battery swap, but I took my car in for service today because the 'increased battery discharge' warning along with stuff like comfort access not working was really, really annoying. Turns out I have an "aftermarket racing battery" in the car which isn't "strong enough" for the car. So now I'm paying $550.44 to get a proper battery purchased and installed and "coded". I've asked them to leave the aftermarket battery with the car so I can try and determine exactly what the problem is/was. I'm embarking on a 2300+ mile car trip in 2 weeks and the last thing I needed was a battery issue which is why I'm having them replace it now.

Any suggestions on what might have happened would be great. I'll post more information on the battery once I have it in hand.

Last edited by whostorm05; 05-16-2012 at 04:53 PM..
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      05-16-2012, 06:00 PM   #15
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Confirmed it's a HP Autowerks tray with a 21 lb Braille battery. Should I msg you directly to try and determine what was causing the fault codes if no fault codes should be thrown?

Notes from the tech:

Interrogated fault memory. Performed energy diagnosis. Vehicle shut off due to start capability limit. Checked battery state of charge, 15%. Inspected the battery and found an incorrect capacity battery installed (aftermarket). Replaced the battery wtih a BMW battery. Registered the battery replacement. Calibrated the steering angle sensor. Cleared fault memory.

So was the car not properly charging the battery fully?

I might burn down the BMW dealership if the 'increased battery discharge' warning comes back even with the factory battery installed.
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      06-12-2012, 04:52 PM   #16
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Quote:
Originally Posted by whostorm05 View Post
Confirmed it's a HP Autowerks tray with a 21 lb Braille battery. Should I msg you directly to try and determine what was causing the fault codes if no fault codes should be thrown?

Notes from the tech:

Interrogated fault memory. Performed energy diagnosis. Vehicle shut off due to start capability limit. Checked battery state of charge, 15%. Inspected the battery and found an incorrect capacity battery installed (aftermarket). Replaced the battery wtih a BMW battery. Registered the battery replacement. Calibrated the steering angle sensor. Cleared fault memory.

So was the car not properly charging the battery fully?

I might burn down the BMW dealership if the 'increased battery discharge' warning comes back even with the factory battery installed.
This is a lightweight battery with a reduced capacity so care must be taken when running this batter on the street. Lots of stop and go driving and short distances will not charge this batter properly and can possible cause the faults you are having. We have installed this battery(15 lb.) version in both of our shop's 335i and 135i without ever having a charging issue or fault codes. Clear fault codes and register the new battery could be all it's needed.
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      02-07-2013, 07:03 PM   #17
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You can also buy the mounting tray alone if you already have the Braille battery:

http://www.hpashop.com/HP-Autowerks-...tery-mount.htm

Last edited by HP Autosport; 02-07-2013 at 07:28 PM..
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      03-29-2013, 01:50 PM   #18
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My stock battery must be 5ish years old now so I ordered me a lightweight battery from HPA today. I'm looking forward to see how much this helps with my rear tire rubbing issue, and the extra space gained by removing the stock battery free up some valuable storage space also!
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      03-25-2015, 06:01 PM   #19
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all back orders are shipping this week!
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      12-22-2015, 08:45 PM   #20
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      12-28-2015, 10:37 PM   #21
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Trays are back in stock now!
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      01-14-2016, 05:13 PM   #22
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